Home / 74,891.56-112,306.28-30,488.16

Finding the Fourth Proportional to 74,891.56, 112,306.28 and 30,488.16

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Solution

The fourth proportional to 74,891.56, 112,306.28 and 30,488.16 is: 45,719.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,891.56 : 112,306.28 = 30,488.16 : x
  2. Step 2: Convert to fraction form
    74,891.56/112,306.28 = 30,488.16/x
  3. Step 3: Cross multiply
    74,891.56x = 112,306.28 × 30,488.16
  4. Step 4: Simplify right side
    74,891.56x = 3,424,011,833.64
  5. Step 5: Solve for x
    x = 3,424,011,833.64/74,891.56
  6. Step 6: Final answer
    x = 45,719.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.